CN116374827B - Crane boom guide mechanism for building construction - Google Patents

Crane boom guide mechanism for building construction Download PDF

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Publication number
CN116374827B
CN116374827B CN202310651040.1A CN202310651040A CN116374827B CN 116374827 B CN116374827 B CN 116374827B CN 202310651040 A CN202310651040 A CN 202310651040A CN 116374827 B CN116374827 B CN 116374827B
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CN
China
Prior art keywords
rope
servo motor
groups
arc
sides
Prior art date
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Active
Application number
CN202310651040.1A
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Chinese (zh)
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CN116374827A (en
Inventor
刘书青
王林丽
杨林林
杨兴
李军立
常万里
邢起帅
吴红帅
肖玲玲
宋进玉
栗腾
王朝利
李成林
张艳艳
崔燕玲
张志国
宋振杰
李金波
曹国强
王艳艳
孔祥峰
路朝翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongding Construction Co ltd
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Dongding Construction Co ltd
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Publication date
Application filed by Dongding Construction Co ltd filed Critical Dongding Construction Co ltd
Priority to CN202310651040.1A priority Critical patent/CN116374827B/en
Publication of CN116374827A publication Critical patent/CN116374827A/en
Application granted granted Critical
Publication of CN116374827B publication Critical patent/CN116374827B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/12Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74Capstans
    • B66D1/7442Capstans having a horizontal rotation axis
    • B66D1/7447Capstans having a horizontal rotation axis driven by motor only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/16Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/32Detent devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00Capstans, winches or hoists
    • B66D2700/01Winches, capstans or pivots
    • B66D2700/0125Motor operated winches
    • B66D2700/0141Electrically actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention discloses a crane boom guide mechanism for building construction, which comprises a mounting frame, wherein a rotating shaft is rotatably arranged at the middle position of two sides of the inside of the mounting frame, a top block is arranged on one side of the rotating shaft, a vitex gear is arranged on one side of the outer side of the rotating shaft, a winding shaft is arranged at the middle position of the outer side of the rotating shaft, a traction rope and a protection rope are sleeved on the outer side of the winding shaft, and one end of the protection rope is provided with the top block. According to the invention, the guide sleeve capable of limiting is arranged at the bottom of the mounting frame, and when the traction rope is moved and lifted, the tail end of the traction rope is extruded and supported through the eight groups of guide wheels, so that the traction rope is always ensured to move on a straight line when moving, the shaking of the traction rope can be greatly reduced by the action of the guide sleeve, the falling of heavy objects caused by overlarge and violent shaking can be prevented, and the safety of the suspension arm can be improved.

Description

Crane boom guide mechanism for building construction
Technical Field
The invention relates to the technical field of crane booms, in particular to a crane boom guide mechanism for building construction.
Background
The building construction refers to the production activity of the construction implementation stage of engineering construction, namely the construction process of various buildings, namely the process of changing various lines on a design drawing into real objects at a designated place, wherein the construction process comprises the steps of foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction and the like, the construction site is called a building construction site or a construction site, and the crane refers to a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects within a certain range, so that the crane is widely used in the aspect of building construction.
The current crane has certain disadvantages when in use:
when using the hoist davit, generally all drive the haulage rope through motor drive and roll up, come to promote and place heavy object, because the haulage rope is rising and when descending, lacks better direction guiding's mechanism, this can lead to the hoist davit to appear rocking at the in-process of work, the heavy object of rocking, not only incompletely agreeing to cause the unstability of hoist can appear rocking even toppling over.
When the heavy object is pulled, accidents occur, namely the motor is damaged due to the load of the motor in the lifting process of the heavy object, the traction rope loses power, the heavy object falls suddenly, safety accidents can be caused for working constructors, meanwhile, the object is damaged, and unnecessary cost is increased.
Meanwhile, when the crane is used for a long time, the traction rope reaches a certain fatigue degree, and at the moment, the traction rope is easy to break, so that the accident without a precursor is avoided, the probability of safety accident is increased, and therefore, the danger is still high when the crane boom is used.
Disclosure of Invention
The present invention aims to provide a crane boom guide mechanism for building construction, which solves the related problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hoist davit guiding mechanism for construction, including the installing frame, the intermediate position department rotation of the inside both sides of installing frame is provided with the pivot, one side of pivot is provided with the kicking block, one side in the pivot outside is provided with the vitex gear, the intermediate position department in the pivot outside is provided with the rolling axle, the outside cover of rolling axle is equipped with haulage rope and protection rope, the one end of protection rope is provided with the kicking block, the one end of haulage rope is provided with the mounting panel, the bottom of mounting panel is provided with the lifting hook, the inside both sides of mounting panel are provided with protection machanism, the top of installing frame one side is provided with second servo motor, the output of second servo motor is provided with the protection rope, the top of second servo motor one side is kept away from to the installing frame is provided with anti-drop mechanism, the second spout has been seted up near the top and the bottom of vitex gear one side.
Preferably, the both sides rotation of installing frame bottom is provided with the two-way threaded rod of second, the both sides threaded connection in the two-way threaded rod outside has the internal thread cover piece, the both sides of internal thread cover piece are articulated to have the articulated pole, and four groups the articulated pole is articulated to have the uide bushing in one side that is close to each other, the inside top of uide bushing and bottom evenly are provided with four groups leading wheel, the installing frame is provided with the third servo motor near the bottom of second servo motor one side, the output of third servo motor and one side fixed connection of the two-way threaded rod of second.
Preferably, the anti-drop mechanism comprises a first servo motor, a first bidirectional threaded rod, a moving plate, a moving frame, arc racks and springs, wherein the first servo motor is located at the top of one side of the mounting frame, close to the chaste gear, the output end of the chaste gear is provided with the first bidirectional threaded rod, the outer side of the first bidirectional threaded rod is in threaded connection with the moving plate, one side of the moving plate is provided with the moving frame, the top of the inner part of the moving frame is provided with the springs, and the bottoms of the two groups of the springs are provided with the arc racks.
Preferably, the protection machanism includes through-hole, extrusion ring, first spout, ejector pin, arc grip block and telescopic link, the through-hole is provided with two sets of inside both sides that are located the mounting panel, first spout has been seted up to the inside both sides of through-hole, two sets of the inside slip of first spout is provided with the ejector pin, two sets of one side that the ejector pin is close to each other is provided with the arc grip block, the telescopic link is provided with two sets of both ends that are located mounting panel one side, two sets of the bottom that the telescopic link is close to one end each other is provided with the extrusion ring.
Preferably, one side of the moving plate penetrates through the inside of the second sliding groove, and the moving plate and the second sliding groove slide mutually.
Preferably, one end of the traction rope penetrates through the guide sleeve, and a plurality of groups of guide wheels are mutually attached to the outer sides of the traction ropes.
Preferably, the bottom of the ejector rod extends to the inside of the extrusion ring, and the ejector rod and the inner side of the extrusion ring slide mutually.
Preferably, the said gear is located between two groups of arc racks, the said gear and tooth of the arc rack are mutually adapted.
Preferably, one end of the protection rope penetrates through the through hole and the inside of the extrusion ring, and the top block is located at the bottom of the extrusion ring.
Preferably, one side of the arc-shaped clamping plate is provided with anti-slip teeth.
Compared with the prior art, the invention provides a crane boom guide mechanism for building construction, which has the following beneficial effects:
1. according to the invention, the guide sleeve capable of limiting is arranged at the bottom of the mounting frame, when the traction rope is moved and lifted, the tail ends of the traction rope are extruded and supported through the eight groups of guide wheels, so that the traction rope is always ensured to move on a straight line when moving, the shaking of the traction rope when working can be greatly reduced, meanwhile, the lifting height of a counterweight can be adjusted according to the requirement of the traction rope, the tail ends of the traction rope can be limited to the greatest extent by the guide sleeve, the obstruction of the guide sleeve to the lifting of the traction rope can be avoided, the shaking of the traction rope can be greatly reduced by the guide sleeve, the falling of the heavy object caused by overlarge shaking can be prevented, and the safety of the suspension arm can be improved.
2. The invention utilizes the mutual coordination of the golden larry gear and the arc-shaped rack, so that the golden larry gear can only move towards a certain direction when rotating, at the moment, the rolling shaft can drive a heavy object to move when rolling the traction rope by clockwise rotation, the golden larry gear rotates clockwise, the bevel edge of the golden larry gear tooth can slide with the bevel edge of the tooth of the arc-shaped rack, at the moment, the arc-shaped rack can not block the rotation of the golden larry gear, and when the second servo motor loses power, jing Chilun rotates anticlockwise, the arc-shaped rack can clamp the golden larry gear, so that the golden larry gear can not rotate, thereby fixing the rolling shaft to the traction rope, avoiding the falling of the heavy object, further improving the safety of the suspension arm and preventing the heavy object from injuring constructors by smashing.
3. According to the invention, the two groups of arc clamping plates are used for clamping the protection ropes, so that the arc clamping plates can tightly lock the outer sides of the protection ropes, the falling of the protection ropes caused by the loss of traction of heavy objects due to the breakage of the traction ropes can be avoided, the protection ropes can slide downwards at the outer sides of the installation plates at the moment of falling, at the moment, the ejector blocks can push the extrusion rings upwards, so that the two groups of ejector rods are mutually close under the action of the oblique sides, the two groups of arc clamping plates are mutually close to lock the protection ropes, the installation plates are fixed at the outer sides of the two groups of protection ropes, the installation plates and the whole falling of the heavy objects can be avoided, and the occurrence of safety accidents is effectively avoided.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a top cross-sectional view of the guide sleeve of the present invention;
FIG. 3 is a side cross-sectional view of the anti-drop mechanism of the present invention;
FIG. 4 is a front cross-sectional view of the protection mechanism of the present invention;
fig. 5 is a side cross-sectional view of the squeeze ring of the present invention.
In the figure: 1. a mounting frame; 2. an anti-falling mechanism; 201. a first servo motor; 202. a first bi-directional threaded rod; 203. a moving plate; 204. a moving frame; 205. an arc-shaped rack; 206. a spring; 3. a protection mechanism; 301. a through hole; 302. a pressing ring; 303. a first chute; 304. a push rod; 305. an arc-shaped clamping plate; 306. a telescopic rod; 4. a winding shaft; 5. a rotating shaft; 6. a second servo motor; 7. a protective rope; 8. a top block; 9. a third servo motor; 10. a second bi-directional threaded rod; 11. a hinge rod; 12. a guide sleeve; 13. a lifting hook; 14. a mounting plate; 15. an internal thread sleeve block; 16. a second chute; 17. jing Chilun; 18. a traction rope; 19. and a guide wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a hoist davit guiding mechanism for construction, including installing frame 1, the intermediate position department rotation of the inside both sides of installing frame 1 is provided with pivot 5, one side of pivot 5 is provided with kicking block 8, one side in the pivot 5 outside is provided with the vitex gear 17, the intermediate position department in the pivot 5 outside is provided with the rolling axle 4, the outside cover of rolling axle 4 is equipped with haulage rope 18 and protection rope 7, the one end of protection rope 7 is provided with kicking block 8, the one end of haulage rope 18 is provided with mounting panel 14, the bottom of mounting panel 14 is provided with lifting hook 13, the inside both sides of mounting panel 14 are provided with protection machanism 3, the top of installing frame 1 one side is provided with second servo motor 6, the output of second servo motor 6 is provided with protection rope 7, the top of installing frame 1 side of keeping away from second servo motor 6 is provided with anti-drop mechanism 2, second spout 16 has been seted up to the top and the bottom that installing frame 1 is close to vitex gear 17 one side.
As a preferable scheme of the present embodiment: the both sides rotation of installing frame 1 bottom is provided with second bidirectional threaded rod 10, the both sides threaded connection in the outside of second bidirectional threaded rod 10 has internal thread cover piece 15, the both sides of internal thread cover piece 15 are articulated to have articulated pole 11, one side that four sets of articulated poles 11 are close to each other articulates there is uide bushing 12, the inside top of uide bushing 12 and bottom evenly are provided with four sets of leading wheels 19, the bottom that installing frame 1 is close to second servo motor 6 one side is provided with third servo motor 9, the output of third servo motor 9 and one side fixed connection of second bidirectional threaded rod 10 can guide haulage rope 18 and prevent rocking.
As a preferable scheme of the present embodiment: the anti-drop mechanism 2 comprises a first servo motor 201, a first bidirectional threaded rod 202, a moving plate 203, a moving frame 204, arc racks 205 and springs 206, wherein the first servo motor 201 is located at the top of one side of the mounting frame 1, close to the vitex gear 17, the output end of the vitex gear 17 is provided with the first bidirectional threaded rod 202, the outer side of the first bidirectional threaded rod 202 is in threaded connection with the moving plate 203, one side of each of the two groups of moving plates 203 is provided with the moving frame 204, the top of the inner part of the moving frame 204 is provided with the springs 206, the bottoms of the two groups of springs 206 are provided with the arc racks 205, and the winding shaft 4 can only move in the same direction, so that reverse rotation of the traction rope 18 is prevented in the lifting process.
As a preferable scheme of the present embodiment: the protection machanism 3 includes through-hole 301, extrusion ring 302, first spout 303, ejector pin 304, arc grip block 305 and telescopic link 306, through-hole 301 is provided with two sets of both sides that are located the mounting panel 14 inside, first spout 303 has been seted up to the inside both sides of through-hole 301, the inside slip of two sets of first spouts 303 is provided with ejector pin 304, one side that two sets of ejector pins 304 are close to each other is provided with arc grip block 305, telescopic link 306 is provided with two sets of both ends that are located mounting panel 14 one side, the bottom that two sets of telescopic link 306 are close to one end each other is provided with extrusion ring 302, can tightly block protection rope 7, prevent the holistic dropping of mounting panel 14.
As a preferable scheme of the present embodiment: one side of the moving plate 203 penetrates through the inside of the second sliding groove 16, and the moving plate 203 and the second sliding groove 16 slide with each other, so that the moving plate 203 cannot deflect along with the first bidirectional threaded rod 202.
As a preferable scheme of the present embodiment: one end of the hauling rope 18 penetrates through the guide sleeve 12, a plurality of groups of guide wheels 19 are mutually attached to the outer side of the hauling rope 18, and the hauling rope 18 is firmly extruded to ensure that the hauling rope is stable.
As a preferable scheme of the present embodiment: the bottom of the ejector rod 304 extends into the extrusion ring 302, and the ejector rod 304 and the inner side of the extrusion ring 302 slide mutually, so that the two groups of ejector rods 304 can be close to each other when the extrusion ring 302 ascends.
As a preferable scheme of the present embodiment: the vitex gear 17 is positioned between the two groups of arc racks 205, and the vitex gear 17 is matched with teeth of the arc racks 205, and is better matched with the vitex gear 17.
As a preferable scheme of the present embodiment: one end of the protection rope 7 penetrates through the through hole 301 and the inside of the extrusion ring 302, and the top block 8 is positioned at the bottom of the extrusion ring 302 and can drive the top block 8 to extrude the extrusion ring 302.
As a preferable scheme of the present embodiment: one side of the arc-shaped clamping plate 305 is provided with anti-slip teeth to improve the friction force with the protection rope 7.
In embodiment 1, as shown in fig. 1-3, in the process of lifting by a crane, the second servo motor 6 drives the rotating shaft 5 to rotate clockwise, meanwhile, the winding shaft 4 and the spur gear 17 rotate clockwise, the winding shaft 4 winds the hauling rope 18, the hauling rope 18 pulls the heavy object to rise, meanwhile, the spur gear 17 rotates between two groups of arc racks 205, the bevel edges of the teeth of the spur gear 17 slide with the bevel edges of the teeth of the arc racks 205, the two groups of arc racks 205 are mutually far away from each other to squeeze the spring 206, under the action of the spring 206 and the spur gear 17, the two groups of arc racks 205 continuously move up and down, at this time, the arc racks 205 do not block the clockwise rotation of the spur gear 17, when the second servo motor 6 loses power due to load damage, at this time, the tooth teeth on the spur gear 17 rotate anticlockwise with the arc racks 205, the arc racks 205 can clamp the spur gear 17, so that the spur gear 17 can not rotate, the winding shaft 4 is fixed, the traction rope 18 can not be further prevented from being damaged, and the heavy object can not be further moved down by the worker.
In embodiment 2, as shown in fig. 1-3, when the winding shaft 4 rotates anticlockwise, when the haulage rope 18 needs to be put down, the first servo motor 201 needs to be opened through the terminal to drive the first bidirectional threaded rod 202 to rotate, under the action of the threads, the two groups of moving plates 203 are far away from each other in the second sliding groove 16 to drive the two groups of moving frames 204 to be far away from each other, so that the two groups of arc racks 205 are far away from each other to be in a state of being disengaged from the outer side of the vitex gear 17, at this time, the winding shaft 4 can normally rotate to hook the heavy object by putting down the mounting plate 14 and the lifting hook 13 in the direction of the haulage rope 18, and after the completion, the first bidirectional threaded rod 202 is driven by the first servo motor 201 to reversely rotate to enable the two groups of arc racks 205 to be meshed with the vitex gear 17 again, thus the winding shaft 4 can wind the haulage rope 18, and the mounting plate 14 is driven by the haulage rope 18 to lift the heavy object without unexpected falling.
In embodiment 2, as shown in fig. 4-5, when the situation of breaking occurs in the traction rope 18, at the same time, the mounting plate 14 loses traction force and suddenly drops downwards, at the same time, the mounting plate 14 drives the protection mechanism 3 to move downwards wholly, the protection rope 7 cannot rotate anticlockwise because of being wound on the outer side of the winding shaft 4, and cannot move downwards continuously, at the same time, the mounting plate 14 drives the extrusion ring 302 to move downwards, so that the extrusion ring 302 gradually approaches the ejector rods 304, the inclined edges of the extrusion ring 302 slide with the bottoms of the ejector rods 304, the two groups of ejector rods 304 approach each other to drive the two groups of arc-shaped clamping plates 305 to approach each other, the outer sides of the protection rope 7 are clamped, the two groups of arc-shaped clamping plates 305 are fixed on the outer sides of the protection rope 7, the mounting plate 14 and the protection rope 7 are ensured to be fixed with each other, and dropping of heavy objects is prevented.
Working principle: when the counterweight is lifted, the second bidirectional threaded rod 10 is driven to rotate through the third servo motor 9, the second bidirectional threaded rod 10 drives the two groups of internal thread sleeve blocks 15 to slide outside the second bidirectional threaded rod through the action of threads, so that the two groups of internal thread sleeve blocks 15 drive the top of the hinging rod 11 to move, the hinging rod 11 drives the guide sleeve 12 to slide up and down on the outer side of the traction rope 18, the outer side of the traction rope 18 can be limited at the moment, the guide sleeve 12 and the guide wheel 19 are matched with each other to guide the traction rope 18, the traction rope 18 always moves on a certain axis, and shaking of the traction rope 18 in the traction movement process can be avoided at the moment, and falling of the heavy object caused by severe shaking is avoided.
In the process of lifting by crane, the second servo motor 6 drives the rotating shaft 5 to rotate clockwise, meanwhile, the winding shaft 4 and the vitex gear 17 rotate clockwise, the winding shaft 4 winds the traction rope 18, the traction rope 18 pulls the heavy object to rise, meanwhile, the vitex gear 17 rotates between two groups of arc racks 205, the bevel edge of the tooth of the vitex gear 17 slides with the bevel edge of the tooth of the arc rack 205, the two groups of arc racks 205 are mutually far away from to squeeze the spring 206, under the action of the spring 206 and the vitex gear 17, the two groups of arc racks 205 move continuously one by one, at the moment, the arc racks 205 can not block the clockwise rotation of the vitex gear 17, when the second servo motor 6 loses power because of load damage, at the moment, the Jing Chilun rotates anticlockwise, the tooth on the vitex gear 17 can contact with the right angle edge of the tooth of the arc racks 205, the arc racks 205 can not lock the tooth 17, the vitex gear 17 can not rotate, thereby fixing the traction rope 18 to the winding shaft 4, the heavy object 18 can not move down, the falling of the traction rope 18 can be further prevented, and the safety of a construction worker is further prevented from being further damaged.
Meanwhile, when the situation that the traction rope 18 breaks occurs, the mounting plate 14 loses traction force and suddenly drops downwards, the mounting plate 14 drives the protection mechanism 3 to move downwards integrally, the protection rope 7 cannot rotate anticlockwise because of being wound on the outer side of the winding shaft 4, the winding shaft 4 cannot continue to move downwards, the mounting plate 14 drives the extrusion ring 302 to move downwards, the extrusion ring 302 gradually approaches to the ejector rods 304, the inclined edges of the extrusion ring 302 slide relative to the bottoms of the ejector rods 304, the two groups of the ejector rods 304 approach each other to drive the two groups of arc-shaped clamping plates 305 to approach each other, the outer side of the protection rope 7 is clamped, the two groups of arc-shaped clamping plates 305 are fixed on the outer side of the protection rope 7, the mounting plate 14 can be fixed relative to the protection rope 7, and dropping of heavy objects is prevented.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. Crane boom guide mechanism for building construction, comprising a mounting frame (1), and characterized in that: the utility model discloses a novel anti-drop device for the automobile, which is characterized in that a rotating shaft (5) is rotationally arranged at the middle position of the two sides inside a mounting frame (1), a top block (8) is arranged at one side of the rotating shaft (5), a vitex gear (17) is arranged at one side of the outer side of the rotating shaft (5), a winding shaft (4) is arranged at the middle position of the outer side of the rotating shaft (5), a traction rope (18) and a protection rope (7) are sleeved on the outer side of the winding shaft (4), the top block (8) is arranged at one end of the protection rope (7), a mounting plate (14) is arranged at one end of the traction rope (18), a lifting hook (13) is arranged at the bottom of the mounting plate (14), a protection mechanism (3) is arranged at the two sides inside the mounting plate (14), a second servo motor (6) is arranged at the top of one side of the mounting frame (1), a protection rope (7) is arranged at the output end of the second servo motor (6), an anti-drop mechanism (2) is arranged at the top of one side of the mounting frame (1) far away from the second servo motor (6), a second sliding groove (16) is arranged at the top of the one side of the vitex gear (17),
wherein the two sides of the bottom of the mounting frame (1) are rotatably provided with second bidirectional threaded rods (10), two sides of the outer side of the second bidirectional threaded rods (10) are in threaded connection with inner threaded sleeve blocks (15), two sides of each inner threaded sleeve block (15) are hinged with hinging rods (11), four groups of hinging rods (11) are hinged with guide sleeves (12) on one side, which is close to each other, of the hinging rods (11), four groups of guide wheels (19) are uniformly arranged on the top and the bottom of the inside of the guide sleeves (12), a third servo motor (9) is arranged on the bottom of one side, which is close to the second servo motor (6), of the mounting frame (1), the output end of the third servo motor (9) is fixedly connected with one side of the second bidirectional threaded rods (10),
wherein the anti-drop mechanism (2) comprises a first servo motor (201), a first bidirectional threaded rod (202), a moving plate (203), a moving frame (204), an arc-shaped rack (205) and a spring (206), wherein the first servo motor (201) is positioned at the top of one side of the mounting frame (1) close to the chaste gear (17), the output end of the Jing Chilun (17) is provided with the first bidirectional threaded rod (202), the outer side of the first bidirectional threaded rod (202) is in threaded connection with the moving plate (203), one side of the two groups of moving plates (203) is provided with the moving frame (204), the top of the inner part of the moving frame (204) is provided with the spring (206), the bottoms of the two groups of springs (206) are provided with the arc-shaped rack (205),
wherein, protection machanism (3) include through-hole (301), extrusion ring (302), first spout (303), ejector pin (304), arc grip block (305) and telescopic link (306), through-hole (301) are provided with two sets of both sides that are located inside mounting panel (14), first spout (303) have been seted up to the inside both sides of through-hole (301), two sets of the inside slip of first spout (303) is provided with ejector pin (304), two sets of one side that ejector pin (304) are close to each other is provided with arc grip block (305), telescopic link (306) are provided with two sets of both ends that are located one side of mounting panel (14), two sets of the bottom that telescopic link (306) are close to one end each other is provided with extrusion ring (302), and
the bottom of the ejector rod (304) extends to the inside of the extrusion ring (302), and the ejector rod (304) and the inner side of the extrusion ring (302) slide mutually.
2. The crane boom guide mechanism for use in building construction of claim 1, wherein: one side of the moving plate (203) penetrates through the inside of the second sliding groove (16), and the moving plate (203) and the second sliding groove (16) slide mutually.
3. The crane boom guide mechanism for use in building construction of claim 1, wherein: one end of the hauling rope (18) penetrates through the inside of the guide sleeve (12), and a plurality of groups of guide wheels (19) are mutually attached to the outer sides of the hauling rope (18).
4. The crane boom guide mechanism for use in building construction of claim 1, wherein: jing Chilun (17) are located between two groups of arc racks (205), and Jing Chilun (17) and teeth of the arc racks (205) are mutually matched.
5. The crane boom guide mechanism for use in building construction of claim 1, wherein: one end of the protection rope (7) penetrates through the through hole (301) and the inside of the extrusion ring (302), and the top block (8) is positioned at the bottom of the extrusion ring (302).
6. The crane boom guide mechanism for use in building construction of claim 1, wherein: one side of the arc-shaped clamping plate (305) is provided with anti-slip teeth.
CN202310651040.1A 2023-06-05 2023-06-05 Crane boom guide mechanism for building construction Active CN116374827B (en)

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CN117105103B (en) * 2023-10-13 2024-05-17 石家庄铁道大学四方学院 Crane for road construction

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CN218754634U (en) * 2022-11-04 2023-03-28 河南巨人起重机集团有限公司 Lifting anti-swing device for crane installation

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